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DST shifts at 2 AM, not midnight. Here's why — and a tour of other weird DST rules you've probably never noticed.

Your phone updates automatically at DST. Mostly. Here's how iOS and Android handle the shift, and what happens when they don't.

Permanent DST means no more clock changes. But should we lock to summer time or winter time? Here are the actual arguments and the science.

The EU voted to abolish DST in 2018. Then COVID happened. Then nothing. Here's why Europe still shifts clocks twice a year.

Benjamin Franklin joked about it in 1784. Germany made it real in 1916. Here's the history of DST and why people still argue about it.

Most of Asia, Africa, and South America never observe daylight saving time. Here's the complete list and the reasons each country opted out.

Pilots and air traffic controllers everywhere use UTC instead of local time. Here's the simple reason — and how it makes international aviation work.

At the South Pole, every time zone meets at a single point. So how does Antarctica work? Each station picks its own time. Here's how.

China spans 5 longitude zones but uses only one (UTC+8). Here's why, and what it means for someone living in Xinjiang.

Nepal at +5:45, Chatham Islands at +12:45, Lord Howe with half-hour DST. The world's most unusual time zones and the stories behind them.